/*
 * Copyright (C) 2011 Christopher Probst
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of the 'FoxNet Codec' nor the names of its 
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.foxnet.codec.impl2;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.HashMap;
import java.util.Map;

import com.foxnet.codec.Stream;
import com.foxnet.codec.Codec;
import com.foxnet.codec.CodecRegistry;

/**
 * @author Christopher Probst
 */
abstract class AbstractIoImpl implements Stream {

    // Used if no codecs were found
    private static final Codec<?>[] EMPTY_CODECS = new Codec<?>[0];
    // Used to store the codec bindings
    private final Map<Class<?>, Codec<?>> codecBindings =
	    new HashMap<Class<?>, Codec<?>>();
    // The hierarchy codecs
    private final Map<Class<?>, Codec<?>[]> hierarchyCodecs =
	    new HashMap<Class<?>, Codec<?>[]>();
    // The CodecSystem
    private final CodecRegistry codecSystem;
    // Used to buffer the data
    protected ByteBuffer buffer;
    // Used to save the recursive depth
    protected int recursiveDepth;

    /*
     * (non-Javadoc)
     * @see java.nio.channels.Channel#isOpen()
     */
    @Override
    public boolean isOpen() {
	return false;
    }

    /*
     * (non-Javadoc)
     * @see java.nio.channels.Channel#close()
     */
    @Override
    public void close() throws IOException {
    }

    /*
     * (non-Javadoc)
     * @see com.foxnet.codec.AbstractIo#getCodecSystem()
     */
    @Override
    public CodecRegistry getCodecSystem() {
	return null;
    }

    /*
     * (non-Javadoc)
     * @see com.foxnet.codec.AbstractIo#getRecursiveDepth()
     */
    @Override
    public int getRecursiveDepth() {
	return 0;
    }
}
